package com.zgc.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zgc.common.R;
import com.zgc.dto.SetmealDto;
import com.zgc.entity.Category;
import com.zgc.entity.Setmeal;
import com.zgc.service.CategoryService;
import com.zgc.service.SetmealDishService;
import com.zgc.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    //状态修改
    @PostMapping("/status/{status}")
    public R<String> updateStatus(@RequestParam List<Long> ids, @PathVariable int status) {
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        List<Setmeal> list = new ArrayList<>();
        for (int i = 0; i < ids.size(); i++) {
            Setmeal setmeal = new Setmeal();
            setmeal.setStatus(status);
            setmeal.setId(ids.get(i));
            list.add(setmeal);
        }
        setmealService.updateBatchById(list);
        return R.success("状态更新成功");
    }

    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto) {
        log.info("套餐信息：{}", setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    /**
     * 套餐分页查询
     *
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null, Setmeal::getName, name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo, queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage, "records");
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item, setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null) {

                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    /**
     * 删除套餐 批量删除
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> deleteSetmeal(@RequestParam List<Long> ids) {
        log.info("ids:{}", ids);
        //setmealService.removeByIds(ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    //id查询，查询两张表信息
    @GetMapping("/{id}")
    public R<SetmealDto> selectById(@PathVariable Long id) {
        SetmealDto setmealDto = setmealService.selectSetmealDto(id);
        return R.success(setmealDto);
    }

    //更新保存
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto) {
        setmealService.updateWithDish(setmealDto);
        return R.success("套餐更新成功");
    }
    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() !=
                null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() !=
                null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}
